Re: networking.service fails

[Henning Follmann <hfollmann@itcfollmann.com>]

On Wed, Feb 17, 2021 at 01:44:35AM +0100, Dmitry Katsubo wrote:
> Dear Debian community,
> 
> I am puzzled with the following problem. When my Debian 10.8 starts, the unit "networking.service" is
> marked as failed with the following reason:
> 

[...]

> 
> and also set a big timeout for br0 in /etc/network/interfaces:
> 
> auto lo
> auto eth0
> auto eth1
> iface lo inet loopback
> auto br0
> iface br0 inet static
>         ...
>         bridge_ports eth0 eth1
>         bridge_maxwait 60
> 
> but still the error occurs each time. Relative dmesg logs are:
> 
> Feb 16 08:56:16 debian systemd[1]: Starting Raise network interfaces...
> Feb 16 08:56:16 debian ifup[691]: ifup: unknown interface eth0
> Feb 16 08:56:16 debian ifup[691]: ifup: unknown interface eth1

Are you using eth0, eth1?
Or are you using predictable network names?
https://wiki.debian.org/NetworkInterfaceNames


> Feb 16 08:56:16 debian ifup[691]: Waiting for br0 to get ready (MAXWAIT is 60 seconds).
> Feb 16 08:56:16 debian systemd[1]: networking.service: Main process exited, code=exited, status=1/FAILURE
> Feb 16 08:56:16 debian systemd[1]: networking.service: Failed with result 'exit-code'.
> Feb 16 08:56:16 debian systemd[1]: Failed to start Raise network interfaces.
> Feb 16 08:56:16.113716 debian systemd-udevd[387]: Using default interface naming scheme 'v240'.
> Feb 16 08:56:16.113796 debian systemd-udevd[387]: link_config: autonegotiation is unset or enabled, the speed and duplex are not writable.
[...]

-H


-- 
Henning Follmann           | hfollmann@itcfollmann.com